1 Darcs/patch-tag -> git/github migration

Import issues from Google code into github. However, the github issue trackers are per-repo, so we'll have to import according to 'Component' tag (and the component tags may need to be cleaned up on google code first). fryguybob thinks maybe we can modify this to get something that will work.

Update any and all references to patch-tag to point to github instead. This includes: